Cimahi is a landlocked city in West Java Province, Indonesia, located immediately west of the larger city of Bandung and within the Bandung Metropolitan Area. The name derives from the Sundanese prefix "Ci," meaning "river."
The city covers an area of 42.42 square kilometres. It had a population of 541,177 at the 2010 Census and 568,400 at the 2020 Census; the official estimate as of mid-2024 was 581,994.
Cimahi is a major textile producer and is home to several military training centres.